Vulnerabilities > CVE-2021-47251 - Improper Validation of Specified Quantity in Input vulnerability in Linux Kernel
Attack vector
LOCAL Attack complexity
LOW Privileges required
LOW Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix skb length check in ieee80211_scan_rx() Replace hard-coded compile-time constants for header length check with dynamic determination based on the frame type. Otherwise, we hit a validation WARN_ON in cfg80211 later. [style fixes, reword commit message]
Vulnerable Configurations
Common Weakness Enumeration (CWE)
References
- https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126
- https://git.kernel.org/stable/c/5a1cd67a801cf5ef989c4783e07b86a25b143126
- https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb
- https://git.kernel.org/stable/c/d1b949c70206178b12027f66edc088d40375b5cb
- https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e
- https://git.kernel.org/stable/c/e298aa358f0ca658406d524b6639fe389cb6e11e